Finding the Fourth Proportional to 857,551.60, 1,285,405.80 and 324,866.80
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Solution
The fourth proportional to 857,551.60, 1,285,405.80 and 324,866.80 is: 486,951.07
Step by Step Solution
- Step 1: Write the proportion equation
857,551.60 : 1,285,405.80 = 324,866.80 : x - Step 2: Convert to fraction form
857,551.60/1,285,405.80 = 324,866.80/x - Step 3: Cross multiply
857,551.60x = 1,285,405.80 × 324,866.80 - Step 4: Simplify right side
857,551.60x = 417,585,668,947.44 - Step 5: Solve for x
x = 417,585,668,947.44/857,551.60 - Step 6: Final answer
x = 486,951.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.